EP0898899A2 - Utilisation des amidons inhibés par traitement thermique et hydrolysés par traitement enzymatique pour la préparation des aliments - Google Patents

Utilisation des amidons inhibés par traitement thermique et hydrolysés par traitement enzymatique pour la préparation des aliments Download PDF

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Publication number
EP0898899A2
EP0898899A2 EP98115736A EP98115736A EP0898899A2 EP 0898899 A2 EP0898899 A2 EP 0898899A2 EP 98115736 A EP98115736 A EP 98115736A EP 98115736 A EP98115736 A EP 98115736A EP 0898899 A2 EP0898899 A2 EP 0898899A2
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EP
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Prior art keywords
starch
flour
food composition
adjusted
enzyme
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EP98115736A
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German (de)
English (en)
Inventor
Jamie L. Senkeleski
James P. Zallie
Peter J. Hendrikx
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National Starch and Chemical Investment Holding Corp
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National Starch and Chemical Investment Holding Corp
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Publication of EP0898899A2 publication Critical patent/EP0898899A2/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/60—Salad dressings; Mayonnaise; Ketchup
    • A23L27/63—Ketchup
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L21/00—Marmalades, jams, jellies or the like; Products from apiculture; Preparation or treatment thereof
    • A23L21/10—Marmalades; Jams; Jellies; Other similar fruit or vegetable compositions; Simulated fruit products
    • A23L21/12—Marmalades; Jams; Jellies; Other similar fruit or vegetable compositions; Simulated fruit products derived from fruit or vegetable solids
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/206—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of vegetable origin
    • A23L29/231—Pectin; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30—Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A23L29/35—Degradation products of starch, e.g. hydrolysates, dextrins; Enzymatically modified starches

Definitions

  • the present invention relates to thermally-inhibited, enzymatically-treated starches and to a process for their preparation.
  • Such starch products are useful in the preparation of food products, particularly fruit and vegetable based products.
  • starch products prepared using a variety of processes are known in the art. These include starches which are prepared by thermal inhibition or enzymatic treatment.
  • Thermally inhibited starches have been disclosed in the art.
  • European Patent Application Publication No. 0 721 471 discloses thermally inhibited starches and flours and No. 0 735 827 discloses their use in food products.
  • U.S. Patent No. 3,644,126 discloses a method of liquefying a starch slurry using ⁇ -amylase and then malt enzymes and glucoamylase to make a highly fermentable starch conversion syrup with a DE less than 35.
  • U.S. Patent No. 3,922,196 discloses solubilization of a granular starch to essentially dextrose using ⁇ -amylase.
  • U.S. Patent No. 5,445,950 discloses a method of using ⁇ -amylase to prepare slightly decomposed starch granules with a DE preferably between 0.1 and 1.0 to produce a material useful as a raw material in the sugar industry.
  • EP 182 296 discloses a granular ⁇ -amylase hydrolyzed starch for use as a dusting powder.
  • EP 231 729 discloses a gelatinized starch hydrolysate useful as a sweetener in foods which is prepared using ⁇ - and ⁇ -amylase in a two-step process.
  • EP 704 169 discloses partially gelatinized starch which is hydrolyzed to a DE of preferably between 4 and 10 for use as a fat or oil substitute.
  • glucose syrups are purified, concentrated aqueous solutions of nutritive saccharides of DE 20 or more obtained by hydrolysis of edible starch. See Whistler et al., Starch Chemistry and Technology , 2 nd Ed., Academic Press, Inc. Orlando, pp. 612 (1984). Further, glucose syrups known in the art do not add viscosity to food products. They are primarily added to provide or balance sweetness, as a bulking agent or filler, and to enhance Maillard browning.
  • the present invention is directed to a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour and the process of making such starch or flour.
  • Such starch or flour is useful as an ingredient in food products, particularly fruit- or vegetable-based products.
  • An object of the present invention is to provide a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour.
  • Another object of the present invention is to provide a method of preparing a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour.
  • Still another object of the present invention is to provide a food product containing a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour, particularly a fruit- or vegetable-based food product.
  • a further object of the present invention is to provide a tomato-based product in which a portion of the tomato solids have been replaced by a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour.
  • a still further object of the present invention is to provide a fruit-based product in which at least a portion of the pectin has been replaced by a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour.
  • the present invention is directed to a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour and the process of making such starch or flour.
  • Such starch or flour is useful as an ingredient in food products, particularly fruit- or vegetable-based products.
  • starches and flours are suitable for use herein and may be derived from any native source.
  • a native starch or flour, as used herein, is one as it is found in nature. Typical sources for the starches and flours are cereals, tubers, roots, legumes and fruits.
  • the native source can be corn, pea, potato, sweet potato, banana, barley, wheat, rice sago, amaranth, tapioca, arrowroot, canna, sorghum, and waxy or high amylose varieties thereof.
  • the term "waxy” is intended to include a starch or flour containing at least about 95% by weight amylopectin and the term "high amylose” is intended to include a starch or flour containing at least about 45% by weight amylose.
  • maize, waxy maize, potato, wary potato, tapioca, wary tapioca, and waxy barley, more particularly wary maize are useful in the instant invention.
  • Thermal inhibition is known in the art and has been disclosed, for example, in European Patent Application Publication No. 0 721 471.
  • Native granular starches have a natural pH of about 5.0 to 6.5. When such starches are heated to temperatures above about 125°C in the presence of water, acid hydrolysis (degradation) of the starch occurs which may impede or prevent inhibition. Therefore, the dehydration conditions need to be chosen so that degradation is avoided. Suitable conditions are dehydrating at low temperatures and the starch's natural pH or dehydrating at higher temperatures after increasing the pH of the starch to neutral or above.
  • neutral covers the range of pH values around pH 7 and is meant to include from about 6.5 to 7.5.
  • the pH may be adjusted by any method known in the art.
  • the ungelatinized granular starch or flour may be slurried in water or another (buffered) aqueous medium, in a ratio of 1.5 to 2.0 parts by weight of water to 1.0 part of starch or flour, and the pH may be raised by the addition of any suitable base.
  • Buffers such as sodium phosphate, may be used to maintain the pH if needed.
  • a solution of a base may be sprayed onto the powdered starch or flour until the starch or flour attains the desired pH, or an alkaline gas such as ammonia can be infused into the starch or flour.
  • the slurry is then either dewatered and dried, or dried directly, typically to a moisture content of from about 2 to about 15% by weight.
  • Suitable bases for use in the pH adjustment step include, but are not limited to, sodium hydroxide, sodium carbonate, tetrasodium pyrophosphate, ammonium orthophosphate, disodium orthophosphate, trisodium phosphate, calcium carbonate, calcium hydroxide, potassium carbonate, and potassium hydroxide, and any other bases approved for use under the applicable regulatory laws.
  • a particularly suitable base is sodium carbonate. It may be possible to use bases not approved provided they can be washed from the starch or flour so that the final product conforms to good manufacturing practices for the desired end use.
  • a thermal dehydration is carried out by heating the starch or flour in a heating device for a time and at a temperature sufficient to reduce the moisture content to less than about 1% by weight, particularly essentially 0%.
  • the temperatures used are less than about 125°C, particularly about 100 to 120°C.
  • the dehydrating temperature can be lower than 100°C, but a temperature of at least about 100°C will be more efficient for removing moisture.
  • Representative processes for carrying out a non-thermal dehydration include freeze drying or extracting the water from the starch or flour using a solvent, particularly a hydrophilic solvent, more particularly a hydrophilic solvent which forms an azeotropic mixture with water (e.g., ethanol).
  • a solvent particularly a hydrophilic solvent, more particularly a hydrophilic solvent which forms an azeotropic mixture with water (e.g., ethanol).
  • the solvent dehydration step may be carried out in any suitable extraction apparatus known in the art, particularly any continuous extraction apparatus.
  • the starch or flour (at a moisture of about 4 to 5%) is placed on a tray and put into a freeze dryer.
  • a suitable bulk tray freeze dryer is available from FTS Systems of Stone Ridge, New York under the trademark Dura-Tap.
  • the freeze dryer is run through a programmed cycle to remove the moisture.
  • the temperature is held constant at about 20°C and a vacuum is drawn to about 50 milliTorr (mT).
  • the starch or flour is removed from the freeze dryer and immediately placed into a suitable heating apparatus for the heat treatment.
  • the starch or flour is heat treated for a time and at a temperature sufficient to inhibit the starch or flour.
  • heating temperatures greater than about 100°C are used.
  • the upper limit of the heat treating temperature is about 200°C.
  • Typical temperatures are from about 120 to 180°C, particularly from about 140 to 160°C, more particularly about 160°C. The temperature selected will depend upon the amount of inhibition desired and the rate at which it is to be achieved.
  • the time at the final heating temperature will depend upon the level of inhibition desired. When a conventional oven is used, the time ranges from about 1 to 20 hours, typically about 2 to 5 hours, usually about 3.5 to 4.5 hours. When a fluidized bed is used, the times range from about 0 minutes to 20 hours, typically about 0.5 to 3.0 hours. Longer times are required at lower temperatures to obtain more inhibited starches.
  • the thermal dehydrating and heat treating steps will be continuous and accomplished by the application of heat to the starch or flour beginning from ambient temperature.
  • the moisture will be driven off during the heating and the starch will become anhydrous or substantially anhydrous.
  • the peak viscosities are higher than the peak viscosities of starches heated for longer times, although there will be greater breakdown in viscosity from the peak viscosity. With continued heat treating the peak viscosities are lower, but the viscosity breakdowns are less.
  • the process may be carried out as part of a continuous process involving the extraction of the starch from a plant material.
  • the source of the starch or flour, the initial pH, the dehydrating conditions, the heating time and temperature, and the equipment used are all interrelated variables that affect the amount of inhibition.
  • the heating steps may be performed at normal pressures, under vacuum or under pressure, and may be accomplished by conventional means known in the art particularly by the application of dry heat in dry air or in an inert gaseous environment.
  • the heat treating step can be carried out in the same apparatus in which the thermal dehydration occurs. Most conveniently the process is continuous with the thermal dehydration and heat treating occurring in the same apparatus, as when a fluidized bed is used.
  • the dehydrating and heat treating apparatus can be any industrial oven, conventional oven, microwave oven, dextrinizer, dryer, mixer or blender equipped with heating devices and other types of heaters, provided that the apparatus is fitted with a vent to the atmosphere so that moisture does not accumulate and precipitate onto the starch or flour.
  • the apparatus is a fluidized bed, particularly one in which the apparatus is equipped with a means for removing water vapor, such as a vacuum or a blower to sweep air or the fluidizing gas from the head-space of the fluidized bed.
  • Suitable fluidizing gases include air and nitrogen, particularly dry air. For safety reasons, a gas containing less than 12% oxygen is particularly suitable.
  • Superior inhibited starches having high viscosities with low percentage breakdown in viscosity are obtained in shorter times in the fluidized bed than can be achieved using other conventional heating ovens or dryers.
  • Optional steps can be carried out to improve the color and/or flavor. They include washing the starch or flour with water and/or removing protein and/or lipid from the starch or flour prior to the dehydrating step and/or after the heat treating step.
  • a bleaching agent e.g., sodium chlorite
  • an alkali can be used for the protein and/or lipid removal.
  • the starches or flours may be inhibited individually or more than one may be inhibited at the same time. They may be inhibited in the presence of other materials or ingredients that would not interfere with the thermal inhibition process or alter the properties of the starch or flour product.
  • the resultant thermally inhibited granular starch is then enzymatically hydrolyzed by at least one amylase capable of digesting granular starch at significant rates, particularly ⁇ -amylase, glucoamylase, or maltogenase, using techniques known in the art.
  • the enzyme must be capable of cleaving the alpha-D-glucosidic linkages of the starch in a granular state.
  • the amount of enzyme is dependent upon the enzyme, i.e., type, source and activity, and base starch material used as well as the amount of hydrolysis desired.
  • the enzyme is used in an amount of from about 0.1 to about 1.0 % by weight of the starch. For example, 0.2 to 0.6% glucoamylase (AMG-300L commercially available from Novo Nordisk) has been found to be effective in the instant invention.
  • the enzyme treatment is carried out at a solids level of about 10 to about 40%, depending upon the base starch being treated.
  • a solids level of from about 15 to 35% is particularly useful, from about 18 to 23% more particularly useful, in the instant invention.
  • the pH and temperature of the slurry should be adjusted to provide effective enzyme hydrolysis. These parameters are dependent upon the enzyme to be used and are known in the art. In general, a temperature of about 22 to about 65°C is used, particularly from about 50 to about 62°C. The temperature should be kept below the gelatinization temperature, particularly about 5°C below the gelatinization temperature of the base starch material so as to maintain the starch in the granular state. In general, the pH is adjusted to about 3.5 to about 7.5, particularly from about 4.0 to about 6.0, using techniques known in the art.
  • the enzyme reaction is continued until a dextrose equivalent of at least about 5 and up to about 60, particularly about 15 to about 35, more particularly about 20 to about 30, has been achieved, or until the desired end point (i.e., sufficient degradation to provide the desired functionality for the particular application) has been reached.
  • the end point may be determined by a change in viscosity, by reducing sugar content, or by any other method known in the art for measuring the level of enzyme degradation of the starch molecule.
  • the enzyme reaction will take from about 0.1 to about 24 hours, particularly about 0.5 to about 4 hours.
  • the time of the reaction is dependent upon the type of starch and enzyme used, the amount of enzyme used, and the reaction parameters of solids percent, pH, and temperature.
  • Dextrose equivalent is defined as the reducing power of the hydrolysate. Each starch molecule has one reducing end; therefore DE is inversely related to molecular weight.
  • the DE of anhydrous D-glucose is defined as 100 and the DE of unhydrolyzed starch is virtually zero.
  • the enzyme degradation is then terminated by acid deactivation as known in the art, particularly by adjusting the pH to greater than about 9.0 at a temperature greater than about 55°C for at least 30 minutes.
  • the enzyme degradation may be terminated by heat deactivation as known in the art, particularly by raising the temperature to about 65 to about 95°C and maintaining it at that temperature for at least about 10 minutes to fully deactivate the enzyme. Heat deactivation is not suitable if a granular product is desired as the heat necessary to deactivate the enzyme will generally also gelatinize the starch.
  • the resultant slurry is typically adjusted to the desired pH according to its intended end use.
  • the pH is adjusted to from about 5.0 to about 7.5, particularly from about 6.0 to about 7.0, using techniques known in the art.
  • the resultant starch may be used directly in liquid form.
  • the resultant starch may be recovered in powdered form by conventional techniques known in the art, including drum drying, freeze drying, and spray drying with or without gelatinization. Gelatinization may be desirable in some applications, for example, in instant products and/or products in which the starch is not cooked out.
  • the resulting starch is characterized by a relatively high viscosity, moderate cohesiveness or gel strength, heat and shear tolerance, short texture, excellent water holding ability, neutral taste, and by its unique functionality in food products, particularly fruit or vegetable based food products. Further, the resulting starch may provide many of the attributes of a cross-linked starch.
  • the resultant starches may be used at any level desired in food products, the amount being dependent upon its desired viscosity.
  • the starch will be used in an amount of from about 0.01 to about 10%, particularly from about 0.1 to about 5% by weight of the food product.
  • the resultant starch can be used in various food products including, but not limited to, dressings, including sauces, including tomato-based sauces, white sauces, and dairy-based sauces such as cheese sauces; condiments such as ketchup, salsa, and barbecue sauce; fruit preps; jellies, jams, and marmalades; pie fillings, including fruit and cream fillings; pourable dressings and spoonable dressings, including mayonnaise; graves; lite syrups; puddings; custards; yogurts; beverages, including dairy-based beverages; glazes; soups; shortenings, including margarines; processed meats; tofu; and baby foods.
  • sauces including tomato-based sauces, white sauces, and dairy-based sauces such as cheese sauces
  • condiments such as ketchup, salsa, and barbecue sauce
  • fruit preps jellies, jams, and marmalades
  • pie fillings including fruit and cream fillings
  • pourable dressings and spoonable dressings including mayonnaise
  • the resultant starches are particularly useful in vegetable-based food products, particularly when a starch is desired which has a relatively high process tolerance against heat, acid, and/or shear, has a high viscosity, is stable against gelling, has a clean flavor, and/or prevents serum separation.
  • the resultant starches are particularly useful in tomato-based products such as ketchup, barbecue sauce, tomato sauce, and salsa to reduce the amount of tomato solids without loss of viscosity or texture and to add a pulpiness that is often desired.
  • use of the resultant starches reduces serum separation during storage, thus improving the overall quality of the product.
  • the starches may be used to prepare tomato paste using either hot or cold break processes.
  • "Hot break,” as used herein, is intended to describe the process of preparing tomato paste from fresh tomatoes by using heat and mechanical shear to crush and homogenize the tomatoes.
  • Cold break as used herein, is intended to describe the process of preparing tomato paste from fresh tomatoes by using only mechanical force to crush fresh tomatoes at mild temperatures. Cold break tomato paste requires a higher level of tomato solids to provide similar viscosity to hot break tomato paste. However, the cold break process provides better tomato flavor and color.
  • the present starches may be used to replace at least a portion of the tomato solids in either type of tomato paste, compensating for the loss in viscosity and controlling serum separation without the undesirable cohesiveness, gelling, or starchy taste generally provided by other starches.
  • the resultant starches are also particularly useful in fruit-based food products, particularly when a starch is desired which is relatively easy to cook out at high solids, provides a short texture, controls moisture migration, has a clean flavor, and/or provides a relatively low hot viscosity during processing.
  • the resultant starches may be used in fruit preps, jams, jellies, and fruit fillings to reduce the amount of pectin or even replace it in total without a loss in viscosity.
  • the starches are useful in fruit-based products which have a high solids content, such as fruit preps, but are also useful in a low solid systems such as low/no sugar fruit preps.
  • the net sugar concentration in the examples when measured using a refractometer, was determined using the following procedure.
  • 1.5 ml of the slurry was withdrawn using a Pasteur pipette and placed into a 1.8 ml Eppendorf tube. The tube was placed into a micro centrifuge and run at a speed of 8,000-10,000 rpm for 30-60 seconds. One drop of the clear supernatant was removed and placed on a calibrated refractometer (calibrated to zero using water). The concentration of the soluble supernatant was read.
  • the water, tomato paste and vinegar were mixed and placed in a Koruma double jacketed steam kettle. The remaining ingredients were dry blended and added to the Koruma. The mixture was heated to 90°C and held for 5 minutes. The hot mixture was homogenized using a two stage Homogenizer at 150 Bar. The hot mixture was then stirred down in a Hobart blender using speed 2 for 1 minute and the paddle for mixing. The hot mixture was used to fill jars and refrigerated at 4°C for storage. The sauces were evaluated organoleptically and for syneresis after 37 days storage with the following results:
  • control and Samples 3 and 9 were the only ones that exhibited syneresis.
  • the temperature of the sample was adjusted to 20 ⁇ 1 °C as was the Bostwick trough.
  • the end-to-end level of the Bostwick was adjusted by means of the spirit level placed in the trough of the instrument.
  • the side-to-side level was adjusted by means of the built-in spirit level.
  • the sample was then transferred to the dry sample chamber of the Bostwick, filling the chamber slightly more than level full and avoiding air bubbles. A straight edge is passed across the top of the chamber starting from the gate end to remove excess sample.
  • the gate is released by gradual pressure on the lever, holding the instrument down at the same time to prevent movement as the gate is released. After 30 seconds, the maximum distance of flow was read. The results are listed in Table I below.
  • the starches of the instant invention have a higher viscosity (lower Bostwick) than standards known in the art of comparable dextrose equivalents.
  • Serum separation of the samples after being stored for 37 days, was measured by pouring off any serum and weighing the serum. The results are given below in Table II.
  • the water, tomato paste, and vinegar were blended in a double jacketed steam kettle. The remaining ingredients were added and the mixture was heated to 90 °C. The mixture was held at this temperature for five minutes and homogenized. Control 1 was homogenized at 200 bar and the remaining samples were "homogenized" without any pressure. The homogenized mixture was stirred down using a Hobart mixer equipped with a paddle at speed 2 for one minute. The mixture was jarred and refrigerated at 4°C.
  • Bostwick consistency was measured at various times and the results are shown in Table III. Sample @72 hrs, 5°C (cm) @7days, 5°C (cm) @7 days, 20°C (cm) Control 1 3.0 4.5 5.0 Control 2 9.0 8.5 9.0 Expt. 1 7.0 6.5 7.5 Expt. 2 5.0 4.5 5.0
  • the present starches eliminate syneresis and provide a viscosity between that of hot and cold break controls. The viscosity of either control may be more closely matched by varying the amount of starch added.
  • the water, tomato paste, and vinegar were blended in a double jacketed steam kettle. The remaining ingredients were added and the mixture was heated to 90 °C. The Mixture was held at this temperature for five minutes and homogenized at 200 bar. The homogenized mixture was stirred down using a Hobart mixer equipped with a paddle at speed 2 for one minute. The mixture was jarred and refrigerated at 4°C.
  • pectin can be either partially or fully replaced by the starches of the present invention.
  • the starch of the instant invention provides a higher viscosity (lower Bostwick) than a corn syrup solid of comparable dextrose equivalent.
  • a slurry containing 5.0% starch on a dry weight basis was prepared and heated from 50°C to 94°C at a rate of 1.5°C per minute. The slurry was then held at 94°C for 10 minutes. Hot viscosity was measured while heating the paste in an RVA Series 4 Rapid Visco Analyzer (Newport Scientific, New South Wales, Australia).
  • the cooked paste from the hot paste viscosity measurement was cooled to 22°C and held for 30 minutes. Using an RFS2-BD050 rheometer (Rheometrics, Piscataway, NJ), viscosity was measured during a shear sweep from 0.1 to 100 sec -1 at 22°C. Parallel plates of 25 mm diameter were used at a distance of 1.25% mm apart. Viscosity was compared at a shear of 10 sec -1 .
  • the pectin, 70% of the sugar, and the starch were mixed.
  • the fruit and water were mixed separately and added to the dry ingredient mixture.
  • the remaining sugar was added and the jam mixture was heated to 195°F (90.6°C) and held while stirring constantly.
  • Brix reached about 62°
  • the mixture was removed from heat and sufficient citric acid (50% solution) was added to adjust the pH to 3.0.
  • the mixture was cooled to room temperature and filled into jars. The jars were stored at 4°C for 24 days.
  • the control gave a short texture, high mouthfeel, and melted quickly.
  • Sample 1 increased in gel strength over the 24 day storage period. The texture was very similar to the control, as was the sheer and transparency. However, Sample 1 syneresed less than the control.
  • Sample 2 had an acceptable gel structure and mouthfeel and was not cohesive. It gave more film building than the control and had the same sheen and transparency as the control. Sample 2 syneresed less than the control.
  • the texture of the jams were measured using a Texture Analyzer TAXT2 (Stable Micro Systems). A 25 mm, 20° conical probe was used to determine the force needed to penetrate 20 mm using the following parameters:

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EP98115736A 1997-08-21 1998-08-20 Utilisation des amidons inhibés par traitement thermique et hydrolysés par traitement enzymatique pour la préparation des aliments Withdrawn EP0898899A2 (fr)

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US918186 1992-07-23
US08/918,186 US5904940A (en) 1997-08-21 1997-08-21 Use of thermally-inhibited subsequently enzymatically-treated starches in food products

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Cited By (3)

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WO2000073353A1 (fr) * 1999-06-01 2000-12-07 National Starch And Chemical Investment Holding Corporation Amidon inhibe thermiquement prepare avec des oligosaccharides
WO2014033761A1 (fr) * 2012-08-30 2014-03-06 Acetificio Marcello De Nigris S.R.L. Composition alimentaire contenant du vinaigre balsamique et du concentré de tomate
WO2026064337A1 (fr) * 2024-09-18 2026-03-26 Corn Products Development, Inc. Procédés et compositions pour prolonger l'efficacité fonctionnelle de l'amidon inhibé thermiquement

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US6558730B1 (en) 1997-07-01 2003-05-06 The Procter & Gamble Co. Potato-based fabricated snacks made from continuously sheeted doughs and methods for controlling the texture and organoleptical properties thereof
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